PL3723373T3 - Sposób dekodowania sygnału obrazu, sposób kodowania sygnału obrazu i nośnik danych - Google Patents

Sposób dekodowania sygnału obrazu, sposób kodowania sygnału obrazu i nośnik danych

Info

Publication number
PL3723373T3
PL3723373T3 PL19856204.3T PL19856204T PL3723373T3 PL 3723373 T3 PL3723373 T3 PL 3723373T3 PL 19856204 T PL19856204 T PL 19856204T PL 3723373 T3 PL3723373 T3 PL 3723373T3
Authority
PL
Poland
Prior art keywords
image signal
decoding
encoding
storage medium
image
Prior art date
Application number
PL19856204.3T
Other languages
English (en)
Inventor
Moonmo Koo
Mehdi SALEHIFAR
Seunghwan Kim
Jaehyun Lim
Original Assignee
Lg Electronics Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of PL3723373T3 publication Critical patent/PL3723373T3/pl

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
PL19856204.3T 2018-09-02 2019-09-02 Sposób dekodowania sygnału obrazu, sposób kodowania sygnału obrazu i nośnik danych PL3723373T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862726298P 2018-09-02 2018-09-02
PCT/KR2019/011252 WO2020046086A1 (ko) 2018-09-02 2019-09-02 영상 신호를 처리하기 위한 방법 및 장치

Publications (1)

Publication Number Publication Date
PL3723373T3 true PL3723373T3 (pl) 2023-11-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL19856204.3T PL3723373T3 (pl) 2018-09-02 2019-09-02 Sposób dekodowania sygnału obrazu, sposób kodowania sygnału obrazu i nośnik danych

Country Status (10)

Country Link
US (4) US10924736B2 (pl)
EP (2) EP3723373B1 (pl)
JP (3) JP7052075B2 (pl)
KR (4) KR20230145220A (pl)
CN (3) CN114928745B (pl)
BR (1) BR112021003829A2 (pl)
ES (1) ES2950975T3 (pl)
HU (1) HUE063301T2 (pl)
PL (1) PL3723373T3 (pl)
WO (1) WO2020046086A1 (pl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020006338A1 (en) * 2018-06-29 2020-01-02 Interdigital Vc Holdings, Inc. Method and apparatus for video encoding and decoding based on adaptive coefficient group
CN116074508A (zh) 2018-09-05 2023-05-05 Lg电子株式会社 对图像信号进行编码/解码的设备及发送图像信号的设备
EP3903487A4 (en) * 2018-12-28 2022-09-21 Telefonaktiebolaget Lm Ericsson (Publ) METHOD AND DEVICE FOR TRANSFORMATION SELECTION IN AN ENCODER AND DECODER
CN113747156A (zh) * 2019-03-09 2021-12-03 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码端、编码端和系统
WO2020244656A1 (en) 2019-06-07 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Conditional signaling of reduced secondary transform in video bitstreams
JP7422858B2 (ja) 2019-08-03 2024-01-26 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体及び記憶方法
US11792431B2 (en) * 2021-04-07 2023-10-17 Tencent America LLC Orthogonal transform generation with subspace constraint
KR20240010480A (ko) * 2021-06-16 2024-01-23 엘지전자 주식회사 저주파 비분리 변환 설계 방법 및 장치
WO2022265420A1 (ko) * 2021-06-16 2022-12-22 엘지전자 주식회사 영상 코딩 방법 및 그 장치
KR20240010481A (ko) * 2021-06-16 2024-01-23 엘지전자 주식회사 저주파 비분리 변환 설계 방법 및 장치

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101137065A (zh) * 2006-09-01 2008-03-05 华为技术有限公司 图像编码方法、解码方法、编码器、解码器、编解码方法及编解码器
US8428133B2 (en) * 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
CN102388610B (zh) * 2009-02-09 2015-03-04 三星电子株式会社 使用低复杂度频率变换的视频编码方法和设备以及视频解码方法和设备
CN102045560B (zh) * 2009-10-23 2013-08-07 华为技术有限公司 一种视频编解码方法及设备
KR20110112168A (ko) * 2010-04-05 2011-10-12 삼성전자주식회사 내부 비트뎁스 확장에 기반한 비디오 부호화 방법 및 그 장치, 내부 비트뎁스 확장에 기반한 비디오 복호화 방법 및 그 장치
US9215470B2 (en) * 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
SG196792A1 (en) * 2010-07-09 2014-02-13 Samsung Electronics Co Ltd Method and apparatus for encoding video using adjustable loop filtering, and method and apparatus for decoding video using adjustable loop filtering
KR20120012385A (ko) * 2010-07-31 2012-02-09 오수미 인트라 예측 부호화 장치
JP2012089917A (ja) * 2010-10-15 2012-05-10 Sony Corp 符号化装置および方法、並びにプログラム
US9609349B2 (en) * 2010-12-14 2017-03-28 M & K Holdings Inc. Apparatus for decoding a moving picture
US9473789B2 (en) * 2010-12-14 2016-10-18 M&K Holdings Inc. Apparatus for decoding a moving picture
KR101215152B1 (ko) * 2011-04-21 2012-12-24 한양대학교 산학협력단 인루프 필터링을 적용한 예측 방법을 이용한 영상 부호화/복호화 방법 및 장치
CA2853002C (en) * 2011-10-18 2017-07-25 Kt Corporation Method for encoding image, method for decoding image, image encoder, and image decoder
KR101601864B1 (ko) * 2014-02-25 2016-03-10 숭실대학교산학협력단 동영상 코덱의 역변환 방법 및 그 장치
TWI551124B (zh) * 2014-07-11 2016-09-21 晨星半導體股份有限公司 應用於視訊系統之編碼／解碼方法及編碼／解碼裝置
US20160044314A1 (en) * 2014-08-08 2016-02-11 Qualcomm Incorporated System and method for reusing transform structure for multi-partition transform
US10412387B2 (en) * 2014-08-22 2019-09-10 Qualcomm Incorporated Unified intra-block copy and inter-prediction
EP3192261A1 (en) * 2014-09-12 2017-07-19 VID SCALE, Inc. Inter-component de-correlation for video coding
US10102613B2 (en) * 2014-09-25 2018-10-16 Google Llc Frequency-domain denoising
US20170034530A1 (en) * 2015-07-28 2017-02-02 Microsoft Technology Licensing, Llc Reduced size inverse transform for decoding and encoding
KR102199463B1 (ko) * 2015-08-31 2021-01-06 삼성전자주식회사 스캔 순서를 고려한 영상의 변환 방법 및 그 장치, 및 역변환 방법 및 그 장치
FR3040578A1 (fr) * 2015-08-31 2017-03-03 Orange Procede de codage et de decodage d'images, dispositif de codage et de decodage d'images et programmes d'ordinateur correspondants
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
WO2017061671A1 (ko) * 2015-10-08 2017-04-13 엘지전자 주식회사 영상 코딩 시스템에서 적응적 변환에 기반한 영상 코딩 방법 및 장치
ITUB20155295A1 (it) * 2015-10-16 2017-04-16 Torino Politecnico Apparatuses and methods for encoding and decoding images
JP6109354B2 (ja) * 2016-01-20 2017-04-05 株式会社Ｎｔｔドコモ 画像復号装置、方法及びプログラム
US10349085B2 (en) * 2016-02-15 2019-07-09 Qualcomm Incorporated Efficient parameter storage for compact multi-pass transforms
US10390048B2 (en) * 2016-02-15 2019-08-20 Qualcomm Incorporated Efficient transform coding using optimized compact multi-pass transforms
US10448053B2 (en) * 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
WO2017173593A1 (en) * 2016-04-06 2017-10-12 Mediatek Singapore Pte. Ltd. Separate coding secondary transform syntax elements for different color components
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
JP6868785B2 (ja) * 2016-05-13 2021-05-12 ソニーグループ株式会社 画像処理装置および方法
US10972733B2 (en) * 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US10880564B2 (en) * 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
US11095893B2 (en) * 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
JP6792997B2 (ja) * 2016-10-13 2020-12-02 日本放送協会 符号化装置、復号装置及びプログラム
US10609367B2 (en) * 2016-12-21 2020-03-31 Qualcomm Incorporated Low-complexity sign prediction for video coding
KR20180085526A (ko) * 2017-01-19 2018-07-27 가온미디어 주식회사 효율적 변환을 처리하는 영상 복호화 및 부호화 방법
US11134272B2 (en) * 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
US10819979B2 (en) * 2018-09-06 2020-10-27 Tencent America LLC Coupled primary and secondary transform
WO2020159316A1 (ko) * 2019-02-01 2020-08-06 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
US20220337854A1 (en) * 2021-04-16 2022-10-20 Tencent America LLC Interaction between transform partitioning and primary/secondary transform type selection

Also Published As

Publication number Publication date
KR20230145221A (ko) 2023-10-17
KR20230145220A (ko) 2023-10-17
CN114915784A (zh) 2022-08-16
JP7372379B2 (ja) 2023-10-31
JP7052075B2 (ja) 2022-04-11
CN114928745B (zh) 2024-04-19
EP3723373B1 (en) 2023-06-07
US20240089434A1 (en) 2024-03-14
CN111758260A (zh) 2020-10-09
HUE063301T2 (hu) 2024-01-28
EP3723373A4 (en) 2021-01-20
KR20200086735A (ko) 2020-07-17
US10924736B2 (en) 2021-02-16
BR112021003829A2 (pt) 2021-05-18
KR20220115825A (ko) 2022-08-18
WO2020046086A1 (ko) 2020-03-05
KR102585635B1 (ko) 2023-10-05
JP2021510286A (ja) 2021-04-15
CN114928745A (zh) 2022-08-19
CN114915784B (zh) 2024-04-19
US11109028B2 (en) 2021-08-31
EP4152748A1 (en) 2023-03-22
US20210360248A1 (en) 2021-11-18
JP2023179742A (ja) 2023-12-19
JP2022087154A (ja) 2022-06-09
US20200304791A1 (en) 2020-09-24
ES2950975T3 (es) 2023-10-17
KR102432400B1 (ko) 2022-08-12
EP3723373A1 (en) 2020-10-14
US20210099704A1 (en) 2021-04-01
CN111758260B (zh) 2022-07-08
US11863746B2 (en) 2024-01-02

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